package com.jiada.face.utils;
import android.text.TextUtils;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.TimeZone;
public class TimeUtil {
public static final int SECONDS_IN_DAY = 60 * 60 * 24;
public static final long MILLIS_IN_DAY = 1000L * SECONDS_IN_DAY;
private static final long ONE_MINUTE = 60000L;
private static final long ONE_HOUR = 3600000L;
private static final long ONE_DAY = 86400000L;
private static final long ONE_WEEK = 604800000L;
private static final String ONE_SECOND_AGO = "秒前";
private static final String ONE_MINUTE_AGO = "分钟前";
private static final String ONE_HOUR_AGO = "小时前";
private static final String ONE_DAY_AGO = "天前";
private static final String ONE_MONTH_AGO = "月前";
private static final String ONE_YEAR_AGO = "年前";
private static SimpleDateFormat sdf = new SimpleDateFormat();
public final static String FORMAT_DATE_TIME = "yyyy-MM-dd HH:mm:ss.SSS";
public static boolean isSameDayOfMillis(final long ms1, final long ms2) {
final long interval = ms1 - ms2;
return interval < MILLIS_IN_DAY && interval > -1L * MILLIS_IN_DAY && toDay(ms1) == toDay(ms2);
}
private static long toDay(long millis) {
return (millis + TimeZone.getDefault().getOffset(millis)) / MILLIS_IN_DAY;
}
/***
* 由时间戳获取现在时间，精确到秒
*/
public static String parseTimeFromLong(long lon) {
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
String date = sdf.format(new Date(lon));
return date;
}
/**
* 将时间字符串【例如：2020-02-07 10:30:15】转换为时间戳
*/
public static long dateToLong(String s) {
try {
SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
Date date = simpleDateFormat.parse(s);
long ts = date.getTime();
return ts;
} catch (Exception e) {
return 0;
}
}
/**
* 由时间戳获取现在时间，精确到日期
*/
public static String parseDataFromLong(long data) {
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
String date = sdf.format(new Date(data));
return date;
}
public static String parseDataFromLongUTF(long data) {
SimpleDateFormat sdf = new SimpleDateFormat("yyyy年MM月dd日");
String date = sdf.format(new Date(data));
return date;
}
/**
* 获取当前日期的指定格式的字符串
*
* @param format 指定的日期时间格式，若为null或""则使用指定的格式"yyyy-MM-dd HH:mm:ss.SSS"
* @return
*/
public static String getCurrentTimeString(String format) {
if (format == null || format.trim().equals("")) {
sdf.applyPattern(FORMAT_DATE_TIME);
} else {
sdf.applyPattern(format);
}
return sdf.format(new Date());
}
/**
* 根据时间字符串获取描述性时间，如3分钟前，1天前
*
* @param dateString 时间字符串
* @return
*/
public static String getDescriptionTimeFromDateString(String dateString) {
if (TextUtils.isEmpty(dateString)) {
return "";
}
sdf.applyPattern(FORMAT_DATE_TIME);
try {
return getDescriptionTimeFromDate(sdf.parse(formatZhuiShuDateString(dateString)));
} catch (Exception e) {
Log_Ma.e("timeUtils", "getDescriptionTimeFromDateString: " + e);
}
return "";
}
/**
* @param dateString 时间字符串
* @return
*/
public static String formatZhuiShuDateString(String dateString) {
return dateString.replaceAll("T", " ").replaceAll("Z", "");
}
/**
* 根据Date获取描述性时间，如3分钟前，1天前
*
* @param date
* @return
*/
public static String getDescriptionTimeFromDate(Date date) {
long delta = new Date().getTime() - date.getTime();
if (delta < 1L * ONE_MINUTE) {
long seconds = toSeconds(delta);
return (seconds <= 0 ? 1 : seconds) + ONE_SECOND_AGO;
}
if (delta < 45L * ONE_MINUTE) {
long minutes = toMinutes(delta);
return (minutes <= 0 ? 1 : minutes) + ONE_MINUTE_AGO;
}
if (delta < 24L * ONE_HOUR) {
long hours = toHours(delta);
return (hours <= 0 ? 1 : hours) + ONE_HOUR_AGO;
}
if (delta < 48L * ONE_HOUR) {
return "昨天";
}
if (delta < 30L * ONE_DAY) {
long days = toDays(delta);
return (days <= 0 ? 1 : days) + ONE_DAY_AGO;
}
if (delta < 12L * 4L * ONE_WEEK) {
long months = toMonths(delta);
return (months <= 0 ? 1 : months) + ONE_MONTH_AGO;
} else {
long years = toYears(delta);
return (years <= 0 ? 1 : years) + ONE_YEAR_AGO;
}
}
public static long toSeconds(long date) {
return date / 1000L;
}
private static long toMinutes(long date) {
return toSeconds(date) / 60L;
}
private static long toHours(long date) {
return toMinutes(date) / 60L;
}
private static long toDays(long date) {
return toHours(date) / 24L;
}
private static long toMonths(long date) {
return toDays(date) / 30L;
}
private static long toYears(long date) {
return toMonths(date) / 365L;
}
/**
* 获取今天是星期几
*/
public static int getCurrentDayOfWeek(Date date) {
Calendar calendar = Calendar.getInstance();//日历对象
if (date != null) {
calendar.setTime(date);//设置传入日期
} else {
calendar.setTime(new Date());//设置当前日期
}
int i = calendar.get(Calendar.DAY_OF_WEEK);
return i;
}
/**
* 获取前一天的日期
*/
public static Date getDateForLastDay(Date date, int amount) {
Calendar ca = Calendar.getInstance();//得到一个Calendar的实例
if (date != null) {
ca.setTime(date); //设置时间为传入时间
} else {
ca.setTime(new Date()); //设置时间为当前时间
}
ca.add(Calendar.DATE, -amount);
Date lastDay = ca.getTime(); //结果
//前一年ca.add(Calendar.YEAR, -1);
//求前一月ca.add(Calendar.MONTH, -1)，
//前一天ca.add(Calendar.DATE, -1)
//lastDay.getDay()周几 lastDay.getDate()日期
return lastDay;
}
/**
* 获取后一天的日期
*/
public static Date getDateForNextDay(Date date, int amount) {
Calendar ca = Calendar.getInstance();//得到一个Calendar的实例
if (date != null) {
ca.setTime(date); //设置时间为传入时间
} else {
ca.setTime(new Date()); //设置时间为当前时间
}
ca.add(Calendar.DATE, +amount);
Date lastDay = ca.getTime(); //结果
//前一年ca.add(Calendar.YEAR, -1);
//求前一月ca.add(Calendar.MONTH, -1)，
//前一天ca.add(Calendar.DATE, -1)
//lastDay.getDay()周几 lastDay.getDate()日期
return lastDay;
}
}TimeUtil【安卓时间工具类】
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转载自blog.csdn.net/fengyeNom1/article/details/106193796
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